Sanger is a city in Denton County, Texas, United States. The population was 4,534 at the 2000 census. The 2006 population was 6,200.
Sanger is located at 33°21′47″N 97°10′34″W / 33.36306°N 97.17611°W / 33.36306; -97.17611 (33.363068, -97.176212).
According to the United States Census Bureau, the city has a total area of 3.2 square miles (8.2 km²), of which, 3.1 square miles (8.1 km²) of it is land and 0.32% is water.